usecase-beta
  direction LR
  actor tech_stack("Tech Stack")
  systemBoundary "UC-01: Async"
    async_sleep("Sleep")
    async_task("Task")
    async_timer("Timer")
    async_worker("Worker")
  end
  tech_stack --> async_sleep
  tech_stack --> async_task
  tech_stack --> async_timer
  tech_stack --> async_worker

classDiagram
  namespace codemelted_ns["codemelted"] {
    %% Module Core
    class CResult
    class CProtocol

    %% Async Use Case Specifics
    class CFuture~T~ {
      +cancel() void
      +execute(T data) void
      +has_completed() boolean
      +result() Promise~CResult~T~~
    }

    class CTaskCB~T~ {
      +callback(T data) T
    }

    class CTimerEvent {
      +interval() number
    }

    class CTimerProtocol

    class CWorkerEvent {
      +as_error_event() ErrorEvent
      +as_message_event() MessageEvent
      +event() ErrorEvent | MessageEvent
      +is_error() boolean
    }

    class CWorkerOptions {
      +credentials string
      +name string
      +type string
    }

    class CWorkerProtocol
    note for CWorkerProtocol "Not supported on Node runtime.<br>Make sure to use runtime_available()<br>to make sure it exists within the JavaScript runtime"

    class codemelted {
      <<module api>>
      +async_sleep(delay) Promise~void~
      +async_task(task, data, delay) CFuture~T~
      +async_timer(name, interval, rx_handler) CTimerProtocol
      +async_worker(name, options, rx_handler, url) CWorkerProtocol
    }
  }

  CFuture --> CResult: returns
  CTimerProtocol --> CTimerEvent: fires
  CTimerProtocol --|> CProtocol: implements
  CWorkerProtocol --> CWorkerOptions: consumes
  CWorkerProtocol --> CWorkerEvent: fires
  CWorkerProtocol --|> CProtocol: implements
  codemelted --> CFuture: creates
  codemelted --> CTaskCB: consumes
  codemelted --> CTimerProtocol: creates
  codemelted --> CWorkerProtocol: creates